Portable strobe light



FIG. 1 is front perspective view of a portable strobe light showing my new design, with the cord broken away in the center to indicate indeterminate length;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the opposite side being a mirror image;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a portable strobe light, as shown and described. 